Outflows stock and competitors up to 35 Percent Reduces exhaust gas temps (EGTs) Exclusive 5 inch bellows prevents component damage Cooler temps Cleaner-running engine Dry Air Filter Element Testing, testing & more testing. Banks Ram-Air Intake Systems are tested and proven. They start out as CAD software prototypes and are put through flow simulations. After a hardware prototype is made, it's tested on a flowbench. Then it's tested on the vehicle. And finally, Banks' density-tests the Ram-Air against stock and many competitors. Proven design. Proven performance. Banks Ram-Air Intake maximizes the flow of cool, dense air to the engine for greater power and fuel economy. Thanks to its enclosed cold-air housing, huge inlet with giant dome-shaped filter, and streamlined internal design, it flows 35% better than stock! In fact, it performs so well that it delivers greater air density to the turbo's inlet than all competitors tested. Longer service life, too. An aftermarket exclusive: with 5" bellows, Banks Ram-Air accommodates engine movement, which protects the components and extends service life. What's more, Ram-Air is designed to not cause fault or error codes. It's all about density. And Banks Ram-Air Intake delivers. The harder you work your truck, the more Banks Ram-Air Intake improves power and fuel economy! Key Features: Enclosed housing keeps out hot, power-robbing engine air. Reduces exhaust gas temps and sooty, black smoke. Inhales cooler outside air for more power and MPG. Extends service life and requires fewer cleanings. Giant filter maximizes high-flow filtration. Extensively tested and validated. Outflows stock up to 35%. 5-year Limited Warranty. OILED or DRY Air Filter Element. Exclusive 5 inch bellows